217  * @i2smclk: master clock from I2S mclk provider
400 	 * - mclk on:  in stm32_i2s_set_parent_rate()
401 	 *   f_i2s_ck = MCKDIV * mclk-fs * fs  in stm32_i2s_set_parent_rate()
402 	 *   Here typical 256 ratio is assumed for mclk-fs  in stm32_i2s_set_parent_rate()
403 	 * - mclk off:  in stm32_i2s_set_parent_rate()
467 	struct stm32_i2smclk_data *mclk = to_mclk_data(hw);  in stm32_i2smclk_round_rate()  local
468 	struct stm32_i2s_data *i2s = mclk->i2s_data;  in stm32_i2smclk_round_rate()
475 	mclk->freq = *prate / i2s->divider;  in stm32_i2smclk_round_rate()
477 	return mclk->freq;  in stm32_i2smclk_round_rate()
483 	struct stm32_i2smclk_data *mclk = to_mclk_data(hw);  in stm32_i2smclk_recalc_rate()  local
485 	return mclk->freq;  in stm32_i2smclk_recalc_rate()
491 	struct stm32_i2smclk_data *mclk = to_mclk_data(hw);  in stm32_i2smclk_set_rate()  local
492 	struct stm32_i2s_data *i2s = mclk->i2s_data;  in stm32_i2smclk_set_rate()
503 	mclk->freq = rate;  in stm32_i2smclk_set_rate()
510 	struct stm32_i2smclk_data *mclk = to_mclk_data(hw);  in stm32_i2smclk_enable()  local
511 	struct stm32_i2s_data *i2s = mclk->i2s_data;  in stm32_i2smclk_enable()
521 	struct stm32_i2smclk_data *mclk = to_mclk_data(hw);  in stm32_i2smclk_disable()  local
522 	struct stm32_i2s_data *i2s = mclk->i2s_data;  in stm32_i2smclk_disable()
540 	struct stm32_i2smclk_data *mclk;  in stm32_i2s_add_mclk_provider()  local
546 	mclk = devm_kzalloc(dev, sizeof(*mclk), GFP_KERNEL);  in stm32_i2s_add_mclk_provider()
547 	if (!mclk)  in stm32_i2s_add_mclk_provider()
556 	 * Forge mclk clock name from parent clock name and suffix.  in stm32_i2s_add_mclk_provider()
566 	mclk->hw.init = CLK_HW_INIT(mclk_name, pname, &mclk_ops, 0);  in stm32_i2s_add_mclk_provider()
567 	mclk->i2s_data = i2s;  in stm32_i2s_add_mclk_provider()
568 	hw = &mclk->hw;  in stm32_i2s_add_mclk_provider()
573 		dev_err(dev, "mclk register fails with error %d\n", ret);  in stm32_i2s_add_mclk_provider()
578 	/* register mclk provider */  in stm32_i2s_add_mclk_provider()
749 	dev_dbg(cpu_dai->dev, "I2S MCLK frequency is %uHz. mode: %s, dir: %s\n",  in stm32_i2s_set_sysclk()
753 	/* MCLK generation is available only in master mode */  in stm32_i2s_set_sysclk()
756 			dev_dbg(cpu_dai->dev, "No MCLK registered\n");  in stm32_i2s_set_sysclk()
762 			/* Release mclk rate only if rate was actually set */  in stm32_i2s_set_sysclk()
781 			dev_err(cpu_dai->dev, "Could not set mclk rate\n");  in stm32_i2s_set_sysclk()
815 	 * mclk on  in stm32_i2s_configure_clock()
818 	 * mclk off  in stm32_i2s_configure_clock()
1232 	/* Register mclk provider if requested */  in stm32_i2s_parse_dt()